Finding the Fourth Proportional to 963,515,453.81, 1,329,651,326.21 and 545,827,739.09
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Solution
The fourth proportional to 963,515,453.81, 1,329,651,326.21 and 545,827,739.09 is: 753,242,279.91
Step by Step Solution
- Step 1: Write the proportion equation
963,515,453.81 : 1,329,651,326.21 = 545,827,739.09 : x - Step 2: Convert to fraction form
963,515,453.81/1,329,651,326.21 = 545,827,739.09/x - Step 3: Cross multiply
963,515,453.81x = 1,329,651,326.21 × 545,827,739.09 - Step 4: Simplify right side
963,515,453.81x = 725,760,577,153,846,912 - Step 5: Solve for x
x = 725,760,577,153,846,912/963,515,453.81 - Step 6: Final answer
x = 753,242,279.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.